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11
3.
If the piping length between the outdoor unit-connecting pipe kits or
between the outdoor units exceeds 80 in., create a rise of 8 in. or
more in the gas line within a length of 80 in. from the kit.
Prohibited pattern
to indoor unit
to indoor unit
Oil collects to the stopping outdoor unit.
Change to pattern 1 or pattern 2
Unit A
Unit B
Unit B
Unit A
to indoor unit
Change as shown in the figure below.
to indoor unit
to indoor unit
to indoor unit
Oil collects to the outdoor unit B when the system stops.
Rising height:
8 in. or more
If 80 in. or less
If 80 in. or more
Piping between outdoor units
Piping between
outdoor units
to indoor unit
80 in. or less
80 in. or less 80 in.
or more
Rising height:
8 in. or more
01_EN_3P114261-10Y.fm Page 11 Thursday, June 16, 2005 3:14 PM